BritishAce
BritishAce
01-02-2017
Mathematics
contestada
Substitution Method. Help please? #5 please!
Respuesta :
apetrostone
apetrostone
01-02-2017
switch the second equation to equal y so...
y=-2x-3
then plug in for y in the first equation
2x+4(-2x-3)=6
2x-8x-12=6
-6x=18
x=-3
now plug in for y
2(-3)+y=-3
-6+y=-3
y=3
answer (-3,3)
Answer Link
VER TODAS LAS RESPUESTAS ( 98+ )
Otras preguntas
What is 1+1? Is there a formula I need to use to figure this out?
"Use the graphical method to solve this problem: Minimize Z = 15 X_1 + 20 X_2 Subject to X_1 + 2 X_2 ≥ 10 2X_1 – 3X_2 ≤ 6 X_1 + X_2 ≥ 6 and X_1 ≥ 0, X_2 ≥ 0"
The table shows the number of runs earned by two baseball players. Player A Player B 2, 1, 3, 8, 2, 3, 4, 4, 1 1, 4, 5, 1, 2, 4, 5, 5, 10 Find the best measure
There are 30 cans of soda in the refrigerator. The table shows how many cans there are of each type. If you reach in and pull out one can of soda, what is the p
The image is an energy pyramid for a particular food chain the amount of energy received by the macwas will be.
A survey collected data from a random sample of 121 people living in Jade oty. The sample average of the distance people travel to reach their workplaces (Y) is
100 points!!!!!!!!!!!!!!!!!!! The box plot shows the number of jumping jacks completed in a workout class by the class members. A box plot uses a number line fr
R2.00 per R100.00 withdrawal of R500
1. An ion from a given element has 13 protons and 10 electrons A. What is the charge on the ion? B. What is the name of the element? C.What is the symbol for th
evaluate the double integral ∬r(2x−y)da, where r is the region in the first quadrant enclosed by the circle x2 y2=36 and the lines x=0 and y=x, by changing to p
